Avoiding pneumonectomy in chronic complete lung atelectasis: sleeve right upper lobectomy for right main bronchus obstruction—case report - Lula, Lukadi Joseph; Tshiasuma, Michel Pipo; Strambu, Irina; Mosolo, Alphonse; Kasonga, Crispin; Kambala, Paul; Kazadi, Valentin; Bolca, Ciprian (AME Case Reports, 2026)